Home / 2,252.92-3,111.17-2,130.20

Finding the Fourth Proportional to 2,252.92, 3,111.17 and 2,130.20

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Solution

The fourth proportional to 2,252.92, 3,111.17 and 2,130.20 is: 2,941.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,252.92 : 3,111.17 = 2,130.20 : x
  2. Step 2: Convert to fraction form
    2,252.92/3,111.17 = 2,130.20/x
  3. Step 3: Cross multiply
    2,252.92x = 3,111.17 × 2,130.20
  4. Step 4: Simplify right side
    2,252.92x = 6,627,411.46
  5. Step 5: Solve for x
    x = 6,627,411.46/2,252.92
  6. Step 6: Final answer
    x = 2,941.70

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.